Food for pigs is a term used to describe food that is specifically designed for pigs. The two most common types of food for pigs are SLOP and SWILL. SLOP is a type of wet feed made from grains, vegetables, and other ingredients that are mixed together. SWILL is a type of dry feed made from grains, corn, and other ingredients that are ground up and mixed together. Both SLOP and SWILL provide pigs with the necessary nutrients they need to stay healthy and grow.